Crankset for a convertible bicycle



FIG. 1 is a top, front, and right side perspective view of a crankset for a convertible bicycle showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a top, front, and right side perspective view thereof as installed on a convertible bicycle; and,

FIG. 9 is a bottom, front, and left side perspective view thereof as installed on a convertible bicycle.

The broken lines in the drawings illustrate portions of the crankset for a convertible bicycle that form no part of the claimed design. 

CLAIM The ornamental design for a crankset for a convertible bicycle, as shown and described. 